File:Angolo tra 2 piani generici.jpg

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العربية: معلوم اثار مستويين الفا وبيتا في الاسقاطات العمودية. مطلوب تحديد القياس الحقيقي للزاوية بينهما.

الحل يكمن في تحديد ما يلي : 1- خط التقاطع s بين المستويين الفا وبيتا 2- المستوى غاما بحيث يكون عمودي على الخط s 3- خطي التقاطع a، b بين المستوي غاما والمستويين الفا وبيتا 4- تدوير المستوى الفا حول اثره الاول بحيث يتطابق مع مستوى الاسقاط الاول وذلك للحصول على االخطين a * b * ، وبالتالي الزاوية المطلوبة FI*

الدكتور حسن العيسوي

https://isawi.blogspot.com/
Italiano: Date le tracce di due piani generici alfa e beta nelle doppie in proiezioni ortogonali. si vuole determinare la vera misura dell'angolo tra i piani dati.

la soluzione consiste nel determinare quanto segue:

- la retta d'intersezione s tra i piani dati alfa e beta - il piano gamma perpendicolare alla retta s - le due rette d'intersezione a, b tra il piano gamma coi piani alfa e beta - il ribaltamento del piano gamma sul primo piano di proiezione e di conseguenza e anche il ribaltamento a* b* delle due rette a, e di conseguenza l'angolo cercato FI*

https://isawi.blogspot.com/
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Author Hasanisawi

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